The Powerplant SB Safety Boot from Cat features Goodyear Welted Construction and Nitrile Rubber outsole, 200 Joules Steel toe cap, removable PU footbed, padded PU collar, triple stitched seams, outsole heat resistance to 300C, energy absorbent heel. 200 Joules Steel Toe Cap. PVC Midsole. Removable PU Footbed. Goodyear Welted Construction. Padded PU Collar for Comfort. Triple Stitched Seams. Goodyear Welted Nitrile Rubber Outsole. Outsole Heat Resistant to 300 Degrees. Fuel & Oil Resistant Outsole. Energy Absorbent Heel Safety Rating: SB HRO SRA 200J Steel Toe Cap No Protective Midsole Wide Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Not Water-Resistant Sole Has No Anti-Static Properties Shock-Absorbing Heel Reinforced Heel Safety Rating: SB HRO SRA 200J Steel Toe Cap No Protective Midsole Wide Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Not Water-Resistant Sole Has No Anti-Static Properties Shock-Absorbing Heel Reinforced Heel